Flashcards
Module:4.2 DIVERSITY of LIFE
Flashcards do conjunto (22)
- 1What is species?A species is the smallest unit of biological classification.
- 2What do you have to look for to determine a species?This is not always easy to observe in nature, so it also important to look at structual,enogical and DNA evidence to determine species.
- 3What are hybrids?Offspring of different species are called hybrids.
- 4Why is it that offspring of different species cannot interbreed to produce fertile offspring?Usually individuals of different species cannot interbreed to produce fertile offspring.
- 5What problems do hybrids normally have?Hybrids often have health problems or are infertile.
- 6Give an examples of hybridisation in animals?1-From a taxonomic perspective, hybrid refers to.
2-Conspicuous hybrids are popularly named with portmanteau words.
- 7What is taxonomy?The branch of science concerned with classification, especially of organisms; systematics.
- 8What is Linnaeus classification?Carolus Linnaeus is the father of taxonomy, which is the system of classifying and naming organisms. One of his contributions was the development of a hierarchical system of classification of nature
- 9What is morphology?A particular form, shape, or structure.
- 10What is evolution?The process by which different kinds of living organism are believed to have developed from earlier forms during the history of the earth
- 11What is a generation?All of the people born and living at about the same time, regarded collectively.
- 12What is beogeography?The branch of biology that deals with the geographical distribution of plants and animals.
- 13What is artificial selection?Artificial selection is the intentional reproduction of individuals in a population that have desirable traits.
- 14What is breeding?Is the reproduction that is producing of offspring, usually animals or plants.
- 15Dog breeding:Is the practice of mating selected dogs with the intent to maintain or produce specific qualities and characteristics.
- 16Cat breeding:If cat bred early, she will put her energy into feeding the unborn/newborn kittens instead of finishing her growth. She will be 18-24 months old before she is ready for breeding.
- 17What is crossbreeding?Produce (an animal or plant) by mating or hybridizing two different species, breeds, or varieties.
- 18What is selective breeding?Is a process used by humans to develop new organisms with desirable characteristics.
- 19What are traits?A distinguishing quality or characteristic, typically one belonging to a person.
- 20What are alleles?Each of two or more alternative forms of a gene that arise by mutation and are found at the same place on a chromosome.
- 21What is a dominant trait?If one parent contributes a gene for dark hair and the other contributes a gene for light hair, the child will have dark hair.
- 22What is a recessive trait?recessive trait can be carried in a person's genes without appearing in that person.
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- FlashCards sobre Module:4.2 DIVERSITY of LIFE, criado por maryam parveen em 14-03-2017.
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- maryam parveen
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